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Messages - Corrine

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Adobe released an optional hotfix Adobe Acrobat DC and Adobe Reader DC for Windows and macOS that addresses important bug fixes.

Release date:  April 16, 2020
Vulnerability identifier: None
Platform: Windows and MacOS

Bug fixes


  • 4327498: Unable to open FDF from web app
  • 4327765: Acrobat and Reader generates incorrect signature data for Elliptical curve signatures when Elliptical Certificate is stored in Windows Certificate store.
Reader DC was updated to version 21.001.20149.  Updates should become available via the internal updater or checks can be manually activated by choosing Help/Check for Updates. 

Note:    UNcheck any pre-checked additional  options presented with the update. They are not part of the software update and are completely optional.

Release Notes

Web News / Re: A few Win 10 Tips
« on: April 15, 2021, 09:21:13 PM »
From Windows Recovery Environment explained - Microsoft Tech Community:

The Windows Recovery Environment (WinRE) is a companion operating system installed alongside Windows 10, typically in a separate partition, that can help with troubleshooting, recovery, or booting from external media, such as a USB stick. WinRE is also used during the Windows update process to apply updates in specific paths or phases. (This process is sometimes referred to as SafeOS.)

In this post, we're going to walk you through the tools in WinRE, offer tips and tricks for using it effectively, and, while we're at it, clear up common misconceptions around WinRE. We’ll also show how WinRE can enable a Windows 10 device that might have issues starting or applying the latest updates, get back to a good state.

See the complete article for the many options available.

Web News / Microsoft to use SHA-2 exclusively starting May 9, 2021
« on: April 14, 2021, 08:29:55 PM »
As a major move to the more secure SHA-2 algorithm, Microsoft will allow the Secure Hash Algorithm 1 (SHA-1) Trusted Root Certificate Authority to expire. Beginning May 9, 2021 at 4:00 PM Pacific Time, all major Microsoft processes and services—including TLS certificates, code signing and file hashing—will use the SHA-2 algorithm exclusively.

Additional information at the source:  Microsoft to use SHA-2 exclusively starting May 9, 2021 - Microsoft Tech Community.

Windows 10 Insider Preview Build 21359 released to Windows Insiders in the Dev Channel:  Announcing Windows 10 Insider Preview Build 21359 | Windows Insider Blog.

  • We fixed a bug that caused an issue when HDR was turned on, where the SDR content was being changed when the computer was locked or coming back from sleep.
  • We fixed the issue where in in some cases, Auto HDR might not correctly enable for all eligible titles. If you still run into trouble, please reach out to us via the Feedback Hub, on our Twitter (@DirectX12), or on the DirectX Discord.
  • We fixed the issue in the previous flight where in some cases user accounts were migrated during the upgrade, but the user profile was not. This issue would occur if a device was abruptly restarted during the upgrade process.
  • We fixed an issue where some cameras did not support adjustment in the Camera Settings page when the camera was also in use by another app.
  • We fixed an issue where the Camera Settings page was crashing on ARM devices.
  • We fixed an issue where Windows Update Settings might unexpectedly display two separate strings saying that updates are managed by your organization.
  • We fixed an issue where some non-managed devices were displaying “Some of these settings are hidden or managed by your organization” on the Settings > Update & Security > Windows Update page.
  • We fixed an issue impacting WSUS users where the “Check online for updates from Microsoft Update” option in Windows Update Settings was greyed out.
  • We fixed an issue resulting in some Insiders noticing frequent crashes in wuauclt.exe.
  • We fixed an issue resulting in the window frames losing their shadows after locking and unlocking your PC.
  • We fixed an issue resulting in some users seeing an ms-resource:AppListName entry in the Start menu apps list because of the People app change to no longer be displayed in the app list.
  • We fixed an issue that could result in a toast notification appearing on top of the Action Center.
  • We fixed an issue in recent flights where the UI would hang if you quickly used the touchpad gesture to switch back and forth between Virtual Desktops.
  • We fixed an issue impacting the ability to use Miracast with some devices in recent builds.
  • We fixed an issue that could result in the network connection on certain device and ethernet configurations getting stuck in an “Identifying…” state recently.
  • We fixed an issue where after upgrading to recent builds you couldn’t connect using remote desktop until you rebooted your PC.
  • We fixed an issue resulting in the brightness controls behaving erratically on some devices in recent builds.
  • We fixed an issue impacting some Insiders when playing certain full screen games in recent builds, resulting in the frame rate being unexpectedly lowered. If you continue experiencing issues in this space, please log feedback following the steps here.
  • We fixed an issue resulting in some games crashing on launch when Auto HDR was enabled.
  • We fixed an issue for certain devices that could result in the screen going black with only the mouse visible. If you continue experiencing black screen issues after upgrading, please press WIN + CTRL + Shift + B and then report it in the Feedback Hub under Display and Graphics > Black Screen, including as many details as possible.
  • We fixed an issue resulting in certain videos displaying distorted and pixelated in recent builds.
  • We fixed an issue where some devices received “The follow things need your attention…” error messages when attempting to install a new build.
  • We fixed an issue where getting and setting your international settings wasn’t working with PowerShell 7.1.
  • We fixed an issue where updates to your language list using the PowerShell commands wouldn’t be synced to your other devices if you had syncing enabled.
  • We fixed a race condition when using the Pinyin IME that could result in no longer being able to type in certain apps (until restarting the app) if you rapidly typed and selected IME candidates.
  • We fixed the issue impacting the migration of shortcuts into the new Windows Tools location where This PC shows up with the display name “computer.”

Dev channel update to 91.0.852.0 is live

Added features:
  • Added the ability to open the History, Favorites, Downloads, etc. management pages by middle-clicking or ctrl+clicking their respective buttons on the toolbar or in the browser’s … menu, or by using the new entry in both of their respective context menus.
  • Added a button to the main Feedback dialog to attach files.  Note that this functionality was previously present, but hidden behind the “diagnostic data” link. 
  • Finished rolling out Password Monitor.
  • Enabled Rebates when shopping by default now that it’s completed its rollout.
  • Enabled support for the management policy from Chromium to control the Import Startup Page Settings, which controls whether or not data import from another browser includes importing startup settings.

Security Alerts & Briefings / Microsoft April 2021 Security Updates
« on: April 13, 2021, 06:00:36 PM »
The Microsoft April 2021 security updates have been released and consist of 114 CVEs.  The updates apply to the long list of products, features and roles that can be found in the April Security Updates Guide.  Of these 89 CVEs, 19 are rated Critical, 89, and 1 is rated Important in severity. Six additional bugs impact Chromium-based Edge. 

According to Microsoft, one bug is currently being exploited while four others are publicly known at the time of release.  In addition, CVE-2021-28310 is listed as being actively exploited.

The  updates released today will automatically remove Edge Legacy which is out of support and replace it with the new Chromium-based Edge.  In the event you still use legacy Edge or if you have blocked the Chromium Edge update using group policies/registry hacks, those settings will be ignored and the legacy version will be removed automatically.

Important Note For Windows 10, Version 2004 and Windows 10, Version 20H2:
Before installing this update
Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). If you encounter the error, 0x800f0823 – CBS_E_NEW_SERVICING_STACK_REQUIRED, close the error message and install the last standalone SSU (KB4598481) before installing this LCU. You will not need to install this SSU (KB4598481) again for future updates.
For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

For Windows 10 Version 1909, see Microsoft April 2021 Security Updates.

See Dustin Childs review and analysis in Zero Day Initiative -- The April 2021 Security Update Review.

April Security Updates Guide

Windows Insider Build 19043-928 (20H1) Released to both Beta and Release Preview Channels:  Releasing Windows 10 Build 19043.928 (21H1) to Beta & Release Preview Channels | Windows Insider Blog.

This security update includes quality improvements. Key changes include:
  • We fixed an issue in which a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC). This occurs on devices that installed Windows Updates that contain CVE-2020-17049 protections and configured PerfromTicketSignature to 1 or higher. These updates were released between November 10, 2020 and December 8, 2020. Ticket acquisition also fails with the error, “KRB_GENERIC_ERROR”, if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the USER_NO_AUTH_DATA_REQUIRED flag.
  • We fixed an issue with security vulnerabilities identified by a security researcher. Because of these security vulnerabilities, this and all future Windows updates will no longer contain the RemoteFX vGPU.  For more information about the vulnerability and its removal, see CVE-2020-1036 and KB4570006. Secure vGPU alternatives are available using Discrete Device Assignment (DDA) in Windows Server LTSC releases (Windows Server 2016 and Windows Server 2019) and Windows Server SAC releases (Windows Server, version 1803 and later versions).
  • We fixed a potential elevation of privilege vulnerability in the way Azure Active Directory web sign-in allows arbitrary browsing from the third-party endpoints used for federated authentication. For more information, see CVE-2021-27092 and Policy CSP – Authentication.
  • Security updates to Windows App Platform and Frameworks, Windows Apps, Windows Input and Composition, Windows Office Media, Windows Fundamentals, Windows Cryptography, the Windows AI Platform, Windows Kernel, Windows Virtualization, Internet Explorer, and Windows Media.
  • We have resolved an issue where some Insiders were getting an 0x800f081f error when attempting to install an early version of KB5000842. If you continue to hit an issue with the final version of KB5000842 update, let us know via Feedback Hub.

Dev channel update to 91.0.845.2 is live

Added features:
  • Added the ability to select and delete multiple passwords at the same time from edge://settings/passwords.
  • Added the ability to quickly toggle between two tabs on Mac via a keyboard shortcut.  Note that this is already available on Windows via Edge’s tab integration into the Alt+Tab switcher.
  • Added a Certificate Management Settings page on Linux.
  • Added a message to explain that Vertical Tabs can’t be collapsed when IE mode tabs are open.

Windows Insider Build 21354 Released to DEV Channel:  Announcing Windows 10 Insider Preview Build 21354 | Windows Insider Blog.

  • The watermark will now show CO_RELEASE.
  • Quote
    NOTE: Because we’re combining both Snip & Sketch and Snipping Tool, Insiders who previously did not have Snip & Sketch installed will see Snipping Tool removed after updating to this build and will have to go and install Snip & Sketch from the Store to get it back.
  • [Gaming] We fixed an issue where certain games may crash, will not sync save data when a game is played on a different device, or will not save when a new game is installed.
  • [File Explorer] We fixed an issue resulting in all folders pinned to Quick Access in File Explorer disappearing if you installed Build 21343. Please note that this fix prevents the issue from occurring going forward, it will not bring back the ones that were unpinned if you installed the impacted build previously.
  • [File Explorer] We fixed an issue resulting in some Insiders experiencing that the entire folders section of Quick Access was missing after installing the previous flight.
  • We fixed an issue impacting Search reliability in the previous flight.
  • [News and interests] Fixed an issue where news and interests could occlude other content on the taskbar especially on smaller screens.
  • We fixed an issue where the tooltip text for items in Start’s Power button menu wasn’t displaying correctly.
  • We fixed an issue resulting in a crash if you entered WinPE and tried to enable Narrator using WIN + CTRL + Enter.
  • We fixed an issue resulting in some Insiders experiencing a bug check with error SYSTEM_THREAD_EXCEPTION_NOT_HANDLED when rebooting or shutting down in the previous flight.
  • We fixed an issue that could result in a bugcheck when starting WSL.
  • We fixed an issue that could result in the Windows Update Settings page showing progress dots but never loading.
  • We fixed an issue where navigating to Power and Sleep in Settings would crash Settings.
  • We fixed the issue where a random toggle that didn’t do anything was appearing under Settings > Personalization > Lock screen.
  • We fixed an error resulting in some Insiders recently seeing an error when trying to add a password to a local account that was created without a password.
  • We fixed an issue where if you opened the Pinyin IME settings via Search, the Settings page would be unexpectedly blank.
  • We fixed an issue that could result in your desktop background going black after snapping an app to the side of your screen.
  • We fixed an issue where some of the text in Snipping Tool wasn’t displaying correctly.
  • We fixed an issue causing the Handwriting Input Panel to not work for pen input on ARM64 PCs.
  • We fixed an issue impacting clipboard history reliability.
  • We fixed an issue resulting in characters being duplicated in certain apps when typing with the Korean IME.
  • We fixed an issue resulting in not being able to insert composition strings when typing with an IME after copying and pasting a text box in PowerPoint.
  • We fixed an issue resulting in key events being lost when renaming files in File Explorer while typing with an IME.
  • We fixed an issue where when typing with the Japanese or Chinese IMEs in certain apps that have their own UI for IME candidates, the IME candidates were not displayed in the app’s UI.
  • The fix we mentioned in Build 21327 to address an issue where a toggled key on the touch keyboard had the wrong background color is now rolling out to all Insiders in the Dev Channel.
  • We fixed an issue causing an increase in login time in the previous flight.
  • We fixed an issue resulting in some Insiders finding that boot time was longer in the previous flighting.
  • We fixed an issue resulting in the network button on the login screen not working and potentially crashing.
  • We fixed an issue causing some logins to hang on a black screen. If you continue to see a similar problem, please file a new feedback in Feedback Hub.
  • We fixed an issue that could result in freezes when watching videos in Chromium-based browsers in recent Dev Channel builds.

Web News / Microsoft Edge Now Has More Users than Firefox!
« on: April 05, 2021, 07:19:53 PM »
Although the percentage is small, there are now more users of Microsoft Edge than Firefox.  From New Microsoft Edge grew 1,300% this year, overtaking Firefox:
The new Chromium-based Microsoft Edge browser has grown by over 1,300% in the past 12 months, while the Firefox browser is slowly losing its market share.

In January 2020, Microsoft released the first stable version of the new Chromium-based Microsoft Edge browser and announced that they would slowly release it to Windows 10 users. Unless users created special Windows Registry values, the new Edge would replace Microsoft Edge Legacy when installed.

As the new Microsoft Edge uses the same engine as Google Chrome, the browser quickly grew in popularity as it provides excellent performance, features. and can use all of Chrome's existing extensions.

More info at the source.

LandzDown Lounge / Happy Easter!
« on: April 04, 2021, 01:07:00 PM »

Security Software Programs / Re: MBAM alerts
« on: April 02, 2021, 08:56:10 PM »
I first found a link for it on reddit, reporting that it is a false/positive with a link to MBAM at False positive on a kaspersky conection domain - Website Blocking - Malwarebytes Forums:
Hello, thanks for bringing this to our attention. We've reviewed the IP again and have determined it no longer warrants being blocked so we've removed it from our database.

Removal should be reflected in the next database update going out in a few hours or so.

Dev channel update to 91.0.838.3 is live

Added features:
  • Sign-in and sync for personal Microsoft accounts is now turned on by default on Linux!  See our announcement from last week for more details:
  • The PDF mini menu is gaining two new options!  When you highlight a word, you’ll now see an option to search for that word or to define it. Those two options have been promoted from the full context menu due to common use, and you can read more about it here:
  • Added the ability to open the Favorites, History, etc. management pages by clicking the Favorites, History, etc. name at the top of their respective popup menus.
  • Added a setting to control whether or not Sleeping Tabs appear faded.
  • Added a notification to switch profiles when a website or PWA is installed in one browser profile and you try to install the same one again in another profile.  Note that this has been rolling out over the past few weeks, and is now enabled by default.
  • Added a management policy to control if Application Guard Traffic Identification is Enabled, which controls if Application Guard windows send extra headers to identify to web pages that they’re being showing in an Application Guard window.  Note that updates to documentation or administrative templates may not have occurred yet.

Pale Moon has been updated to version 29.1.1.  This update is a minor security and bugfix update.  Linux versions will follow soon.

To get the update now, select "Help" from the  Pale Moon menu at the upper  left of the browser window.  Select About Pale Moon > Check for Updates.

Release Notes

Microsoft released the monthly “C” release preview cumulative update with non-security improvements and fixes for Windows 10 Versions 2004 and 20H2.  Both versions are receiving the same KB5000850 with a long list of key changes which can be viewed in the KB article.  Note, however, if you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device. 

Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). If you encounter the error, 0x800f0823 – CBS_E_NEW_SERVICING_STACK_REQUIRED, close the error message and install the last standalone SSU (KB4598481) before installing this LCU. You will not need to install this SSU (KB4598481) again for future updates.

To download and install the update, go to Settings -> Update and Security -> Windows Update and select Check for updates. To get the standalone package for this update, go to the Microsoft Update Catalog website.

Note:  This update also removes the Microsoft Edge Legacy desktop application that is out of support and installs the new Microsoft Edge. For more information, see New Microsoft Edge to replace Microsoft Edge Legacy with April’s Windows 10 Update Tuesday release.

Windows 10 update history

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